                  [:div.drawing]
                  [:div.drawing]
                  (om/build drawings/drawing-build app)]]
-               [:section.home-epilog
-                [:a.home-action {:role "button"}
+               [:section.home-epilog {:ref "nav-no-bkg"}
+                [:a.home-action {:ref "no-cta"
+                                 :role "button"}
                  "Sign Up Free"]
                 [:div.home-cover]
                 [:div.home-top-shelf]

  (let [logo (om/get-node owner "center-logo")
        cta (om/get-node owner "cta")
        nav-bkg (om/get-node owner "nav-bkg")
        scroll-callback #(do
                           (om/set-state! owner [:header-logo-visible] (neg? (.-bottom (.getBoundingClientRect logo))))
                           (om/set-state! owner [:header-cta-visible] (neg? (.-bottom (.getBoundingClientRect cta))))
                           (om/set-state! owner [:header-bkg-visible] (< (.-bottom (.getBoundingClientRect nav-bkg)) 70)))]
    (om/set-state! owner [:browser-resize-key]
                   (goog.events/listen
                    (sel1 (om/get-shared owner [:target]) ".app-main")

      {:header-logo-visible false
       :header-cta-visible false
       :header-bkg-visible false
       :header-cta-invisible false
       :header-bkg-invisible false
       :scroll-ch (chan (sliding-buffer 1))})
    om/IRenderState
    (render-state [_ state]
